生物需氧量

US Able to Protect Servicemembers from Biological Threat, Sa

Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert

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VOA2003（上）-健康之旅

SSS 2010-05-04

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(54) / 评论(0)

Scientific American(五)月

2006年VOA标准英语-UN Leader Warns of Biological Weapons Threat

By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

发表于:2019-01-12 / 阅读(104) / 评论(0)

2006年VOA标准英语（十一月)

音乐咖啡厅:Oxygen--你是我的氧气

凭借在iTunes和MySpace的成功，来自美国加州的流行女歌手科尔比凯拉特（Colbie Caillat）的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周，这张《Coco》共售出5万1千张，在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(157) / 评论(0)

音乐咖啡厅

AGRICULTURE REPORT - Biological Controls, Part 1

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

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农业与发展

VOA标准英语2011--Israel Practices Biological Attack Response

Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e

发表于:2019-02-12 / 阅读(57) / 评论(0)

VOA标准英语2011年(十二月)

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学英语单词

1-propen-2-ylacetate

10-Epieupatoroxin

absolute yin within yin

accostment

acquire knowledge of

appropriations of retained earnings

arteriae interlobares renis

atomic proportions

Beatrix, (Beatrix Wilhelmina Armgard)

bemirror

but that